75t204 ETC-unknow, 75t204 Datasheet - Page 7

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75t204

Manufacturer Part Number
75t204
Description
Low-power Subscriber Dtmf Receiver
Manufacturer
ETC-unknow
Datasheet

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ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
(Operation above absolute maximum ratings may damage the device.
connected to V
PARAMETER
DC Supply Voltage - V
Operating Temperature
Storage Temperature
Power Dissipation (25 C)
Input Voltage (All inputs except ANALOG IN)
ANALOG IN Voltage
DC Current into any Input
Lead Temperature - Soldering, 10 sec.
ELECTRICAL CHARACTERISTICS
(-40 C ² T
PARAMETER
Frequency Detect Bandwidth
Amplitude for Detection
Twist Tolerance
60-Hz Tolerance
Dial Tone Tolerance
Talk Off
Digital Outputs
(except XOUT)
Digital Inputs
Power Supply Noise
Supply Current
Noise Tolerance
Input Impedance
* dB referenced to lowest amplitude tone
A
² +85 C, V
P
or GND, as appropriate.)
P
P
= 5V ± 10%)
CONDITIONS
each tone
Twist=
“precise” dial tone
MITEL tape #CM 7290
“0” level, 400µA load
“1” level, 200µA load
“0” level
“1” level
wide band
T
MITEL tape #CM 7290
V
A
P
³V
= 25 C
IN
³V
High Tone
Low Tone
P
-10
7
100K ||15pF
RATING
+7V
-40 C to +85 C Ambient
-65 C to +150 C
65mW
(V
(V
±1.0mA
300 C
±(1.5+2Hz)
P
P
5V Low-Power Subscriber
V
0.7V
+ 0.5V) to -0.5V
+ .5V) to (V
MIN
P
-32
-10
0
-0.5
0
P
All 75T204 unused inputs must be
P
TYP
±2.3
- 10V)
10
2
DTMF Receiver
0.3V
MAX
±3.5
0dB
+10
0.8
0.5
-12
V
V
10
16
-2
P
P
P
75T204
dBm ref.
to 600
% of f
mV p-p
UNITS
Vrms
dB*
hits
dB*
mA
dB
V
V
V
V
O

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